*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,body{
    height: 100%;
    background-image: linear-gradient(to top, #5ee7df 0%, #b490ca 100%);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

img{
    width: 35px;
    height: 35px;
    margin-left: 30px;
    margin-right: 10px;
    /*设置圆角矩形 让头像变圆*/
    border-radius: 50%;
}

.container{
    width: 100%;
    height: calc(100% - 50px);
    display: flex;
    justify-content: center;
    align-items: center;
}
